Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Review: 89

Answer

$z=0$

Work Step by Step

$-5z+3z-7=8z-1-6$ $\longrightarrow$combine like terms $-2z-7=8z-7$ $\longrightarrow$addition property $-2z-7+2z+7=8z-7+2z+7$ $\longrightarrow$combine like terms $0=10z$ $\longrightarrow$multiplication property $0\div10=10z\div10$ $\longrightarrow$divide $0=z$
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